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+
+<!DOCTYPE HTML>
+<html>
+ <!--
+ https://bugzilla.mozilla.org/show_bug.cgi?id=1536471
+ -->
+<head>
+ <title>Test for Bug 1536471</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+ <script type="application/javascript">
+
+ let testWin;
+ async function test() {
+ // Open a new tab and load a document with an iframe inside
+ testWin = window.open("file_bug1536471.html");
+ await waitForLoad();
+ var iframe = testWin.document.getElementById("staticFrame");
+ is(testWin.history.length, 1, "Checking the number of session history entries when there is only one iframe");
+
+ // Navigate the iframe to different pages
+ await loadUriInFrame(iframe, "frame1.html");
+ is(testWin.history.length, 2, "Checking the number of session history entries after having navigated a single iframe 1 time");
+ await loadUriInFrame(iframe, "frame2.html");
+ is(testWin.history.length, 3, "Checking the number of session history entries after having navigated a single iframe 2 times");
+ await loadUriInFrame(iframe, "frame3.html");
+ is(testWin.history.length, 4, "Checking the number of session history entries after having navigated a single iframe 3 times");
+
+ // Reload the top document
+ testWin.location.reload(true);
+ await waitForLoad();
+ is(testWin.history.length, 1, "Checking the number of session history entries after reloading the top document");
+
+ testWin.close();
+ SimpleTest.finish();
+ }
+
+ async function waitForLoad() {
+ await new Promise(resolve => {
+ window.bodyOnLoad = function() {
+ setTimeout(resolve, 0);
+ window.bodyOnLoad = undefined;
+ };
+ });
+ }
+
+ async function iframeOnload(frame) {
+ return new Promise(resolve => {
+ frame.addEventListener("load", () => {
+ setTimeout(resolve, 0);
+ }, {once: true});
+ });
+ }
+
+ async function loadUriInFrame(frame, uri) {
+ let onloadPromise = iframeOnload(frame);
+ frame.src = uri;
+ await onloadPromise;
+ }
+ </script>
+</head>
+
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1536471">Mozilla Bug </a>
+<p id="display"></p>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+<script type="text/javascript">
+SimpleTest.waitForExplicitFinish();
+</script>
+</pre>
+<body onload="test()">
+</body>
+</html>
+